From CNN.COM: 

Expert: A little liquor helps houseplants

Study finds diluted alcohol stunts stems but not blossoms

ITHACA, New York (AP) — For home gardeners who don’t want their daffodils to tip over, a Cornell University horticulturist thinks he has the answer: Get the flowers a little tipsy with some hard liquor.

Giving some potted plants diluted alcohol — whiskey, vodka, gin or tequila — stunts the growth of the stem but does not affect the blossoms, said William Miller, director of Cornell’s Flower Bulb Research Program. As a result, the houseplant does not get so tall that it flops over.

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